The TSI Alnor 6200 LoFlo Balometer is the perfect lightweight compact capture hood for the technician looking to accurately and easily measure supply and return from very low air flow diffusers or grilles (10 to 500 cfm) in residential or light commercial places.

The TSI Alnor 6200F LoFlo Balometer is the perfect lightweight compact capture hood for the technician looking to accurately and easily measure supply and return from very low air flow diffusers or grilles (10 to 500 cfm) in residential or light commercial places.

The TSI Alnor 6200E LoFlo Balometer with No Hood is the perfect lightweight compact capture hood for the technician looking to accurately and easily measure supply and return from very low air flow diffusers or grilles (10 to 500 cfm) in residential or light commercial places. Optional capture hoods are available to purchase.

TSI 7515 IAQ Meter is an outstanding instrument for investigating and monitoring indoor air quality (IAQ). TSI 7515 IAQ meter is a cost-effective meter for carbon dioxide (CO2) measurements.

TSI 7535 IAQ Meter is an outstanding instrument for investigating and monitoring indoor air quality (IAQ). This IAQ meter is a cost-effective meter for carbon dioxide (CO2) measurements. Product made in USA and comes with NIST Certificate of Calibration.

TSI 7525 IAQ Meter is an outstanding instrument for investigating and monitoring indoor air quality (IAQ). TSI 7525 IAQ meter measures CO2, temperature, humidity, and calculates dew point, wet bulb temperature, and % outside air.

TSI 7545 IAQ-Calc Air Quality and Environmental Conditions Tester is designed to monitor indoor air quality (IAQ).

This excellent Alnor 7415 Thermo-Hygrometer provides accurate temperature and humidity readings. This particular thermos hygrometer also calculates wet-bulb temperature. This Hygrometer is made in USA, and includes a NIST Certificate of Calibration.

Alnor 7425 Thermohygrometer is a diagnostic instrument with advanced capabilities, such as data logging, review of statistics and downloading to a PC using LogDat2 software. This thermohygrometer directly calculates dew point, wet bulb temperature and % outside air. Product made in USA and comes with NIST Certificate of Calibration.

Promax RG6000 HVAC Refrigerant Recovery Machine is ideal for daily use even in extreme conditions. The Promax RG6000 features a self-purge manifold to easily prepare the machine for the next job and prevent cross-contamination.

TIF Instruments TIF3880 Video Borescope Inspection Scope features easy to see high resolution color image. This video inspection scope provides an auto focus camera that helps keep the image clear and sharp.

TIF Instruments TIF3310 Thermocouple IR Thermometer uses contact differential temperature measurements (T1-T2) to display HVAC Superheat measurements. This thermocouple IR thermometer displays temperature differentials between both contact and IR temperature readings (T1, T2, T3). Product is Discontinued. No replacement available.